9a, Barnfield, Slough, SL1 5JN
About 9a
9a is a detached house in Slough (SL1 5JN). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (July 2026) shows a C (score 74). When first surveyed in November 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good; while lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
Everything you need to know about 9a
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 23 July 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Floor insulation added or improved
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Planning history
9a has an approved single-storey rear extension on the planning record.
1 application on record at 9a, Barnfield, Slough, SL1 5JN
- Mar 2017ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Lawful development certificate for a proposed single storey rear extension.
- Council
- West
- Documents
- 2 docs on file
- Reference
- P/07620/002
Unlock 9a, Barnfield, Slough, SL1 5JN's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 5 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£455,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SL1 5JN: £435,000 (2025–2018).
Versus other Barnfield homes
On epc rating, 9a stands well clear of the street.
EPC Rating
74 (C)
Street avg 61 (D)
Floor Area
93 m²
Street avg 98 m²
CO₂ Emissions
2.5 t/year
Street avg 4.4 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Everything you need to know about 9a
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
656/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Mercian Recreation Ground — bus stop.
Closest school
0.4 km
Cippenham School. 21 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
56.8dB
Night-time· 23:00 – 07:00
48.6dB